 spell priest level 1 school divination reversible reversible sphere all range 0 comp v s m duration 1 turn 5 rds level cast_time 1 rd aoe 10 ft x 120 yds save none this spell discovers emanations of evil or of good in the case of the reverse spell from any creature object or area character alignment however is revealed only under unusual circumstances characters who are strongly aligned who do not stray from their faith and who are of at least 9th level might radiate good or evil  if intent upon appropriate actions  powerful monsters such as rakshasas or ki-rin send forth emanations of evil or good even if polymorphed aligned undead radiate evil for it is this power and negative force that enable them to continue existing an evilly cursed object or unholy water radiates evil but a hidden trap or an unintelligent viper does not the degree of evil dim faint moderate strong or overwhelming and possibly its general nature expectant malignant gloating etc can be noted if the evil is overwhelming the priest has a 10 chance per level of detecting its general bent lawful neutral or chaotic the duration of a  detect evil  or  detect good  spell is one turn plus five rounds per level of the priest thus a 1st-level priest can cast a spell with a 15-round duration a 2nd-level priest can cast a spell with a 20-round duration etc the spell has a path of detection 10 feet wide in the direction the priest is facing the priest must concentrate--stop have quiet and intently seek to detect the aura--for at least one round to receive a reading the spell requires the use of the priest priest's holy symbol as its material component with the priest holding it before him 